Welcome Unit 核心句式复习课课前预习（教师版）2026-2027学年高中英语人教版必修第一册

新人教版必修一 Welcome Unit 核心句式复习课（教师版） 句式一：What if... ? 假设句型 课文句子：What if no one talks to me? —— 要是没人和我说话怎么办呢？ 结构 What if + 陈述句语序从句？ 意义 要是……怎么办？用于表达担忧、假设 考点 等同于 What will happen if...；从句一般现在时表将来 翻译练习（答案） 1.要是我在校园里迷路了怎么办呢？ → What if I get lost on campus? 2.要是我在讲座上听不懂怎么办呢？ → What if I can't understand the lecture? 3.要是我交不到朋友怎么办呢？ → What if I don't make friends? 语法填空（答案+解析） 1.What if nobody talks to me on the first day? 解析：What if 从句用一般现在时，nobody 为单数，谓语用三单。 2.What if I forget to bring my student ID card? 解析：从句一般现在时表将来，填动词原形。 3.What if the experiment fails? 解析：主语 experiment 单数，谓语用三单形式。 句式二：find + 宾语 + 宾语补足语 课文句子：I found most of my classmates and teachers friendly and helpful. 结构 find + 宾语 + 宾补（形容词/分词/名词/介词短语） 意义 发现某人/某物处于……状态 考点 形容词表状态、现在分词表主动、过去分词表被动 翻译练习（答案） 1.我发现这个小伙子很外向。 → I found the guy very outgoing. 2.我发现这门讲座很尴尬。 → I found the lecture awkward. 3.我发现记笔记很有用。 → I found taking notes very useful. 语法填空（答案+解析） 1.I found the experiment interesting. 解析：形容词作宾补，修饰事物用 interesting。 2.She found her partner helpful during the project. 解析：形容词作宾补，意为“有帮助的”。 3.He found the registration office locked. 解析：过去分词作宾补，表被动、状态“被锁住的”。 句式三：there be + 名词 + to do 课文句子：There's a lot to explore at senior high. 结构 There be + 名词 + to do 意义 有……事情要去做 考点 不定式主动形式表被动含义，作名词后置定语 翻译练习（答案） 1.有很多学习策略要学。 → There are many learning strategies to learn. 2.有很多笔记要记。 → There are many notes to take. 3.有很多目标要实现。 → There are many goals to achieve. 语法填空（答案+解析） 1.There is a lot of homework to do tonight. 解析：不定式后置定语，主动表被动。 2.There are many experiments to conduct this term. 解析：固定结构，there be + n. + to do。 3.There is a lecture to attend this afternoon. 解析：不定式修饰名词 lecture，表将要进行的动作。 句式四：比较级句型 课文句子：I feel much more confident than I felt this morning. 结构 主语 + 系动词 + 比较级 + than + 对比对象 意义 ……比……更…… 考点 much/far/even 可修饰比较级；多音节词用 more + 原级 翻译练习（答案） 1.我感觉比昨天自信多了。 → I feel much more confident than I did yesterday. 2.他比他的同伴更外向。 → He is more outgoing than his partner. 3.这次实验比上次容易多了。 → This experiment is much easier than the last one. 语法填空（答案+解析） 1.I feel much happier than I was this morning. 解析：much 修饰比较级，happy 变 happier。 2.He is more outgoing than his junior partner. 解析：多音节形容词比较级加 more。 3.This lecture is far more interesting than the previous one. 解析：far 修饰比较级，多音节词用 more。 句式五：不定式作表语 课文句子：My dream is to start my own IT company! 结构 主语 + be + to do（不定式作表语） 意义 主语的内容/目标/计划是…… 考点 常用于 dream/goal/plan/wish 后，解释主语具体内容 翻译练习（答案） 1.我的目标是创办自己的公司。 → My goal is to start my own company. 2.他的梦想是成为一名交换生。 → His dream is to become an exchange student. 3.她的计划是向前走。 → Her plan is to move forward. 语法填空（答案+解析） 1.My style of learning is to take notes carefully. 解析：不定式在系动词后作表语。 2.Her goal is to make a good impression on the first day. 解析：goal 后常用不定式作表语说明具体目标。 3.The best way is to concentrate on the main lecture. 解析：不定式作表语，表具体动作、方式。 学科网（北京）股份有限公司 $